1. Avidin Ltd., Alsó Kikötő sor 11/D., Szeged 6726, Hungary
2. Synaptogenex Ltd., Őzsuta utca 20995/1, Budapest 1037, Hungary
3. Department of Biochemistry, Biological Research Center, Hungarian Academy of Sciences, Temesvári krt. 62, Szeged 6726, Hungary
4. Department of Genetics, Biological Research Center, Hungarian Academy of Sciences, Temesvári krt. 62, Szeged 6726, Hungary